diff --git a/admin/git_hooks/post-commit b/admin/git_hooks/post-commit
index 413bc0431..6eb70704c 100755
--- a/admin/git_hooks/post-commit
+++ b/admin/git_hooks/post-commit
@@ -7,6 +7,5 @@
 
 # see wiki/index.html#GitNotes%20GitAliases for information
 
-git sign "$(git-symbolic-ref HEAD | cut -d/ -f 3-)_signature"
+git sign "$(git config user.email)/$(git-symbolic-ref HEAD | cut -d/ -f 3-)_signature"
 git publish
-